Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
The non-standardised exhaust system for the 24-EX model and the unsuitability of using aluminium.

Identifier  ExFiles\Box 19\4\  Scan142
Date  15th July 1930
  
x7772.
SG.{Arthur F. Sidgreaves - MD} From Hs.{Lord Ernest Hives - Chair}
C. to Wor.{Arthur Wormald - General Works Manager}
Hs.{Lord Ernest Hives - Chair}5/MJ.15.7.30.
x7220
x7940
x7772

24-EX. EXHAUST SYSTEM.

Replying to Sg.{Arthur F. Sidgreaves - MD}13/D14.7.30.

The exhaust system fitted to 24-EX. has not been standardised.

Although it ran the 10,000 miles test on 23-EX. satisfactorily, we had certain doubts about it and therefore did not issue a standardisation sheet but fitted it to 24-EX. in order to get further experience.
We have written to R.{Sir Henry Royce} saying that we think it is impossible to use aluminium on exhaust systems.

Hs.{Lord Ernest Hives - Chair}
  
  


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